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Run ABCs in parallel.

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Large circuits can run hundreds or thousands of ABCs in a single AbcPass.
For some circuits, some of those ABC runs can run for hundreds of seconds.
Running ABCs in parallel with each other and in parallel with main-thread
processing (reading and writing BLIF files, copying ABC BLIF output into
the design) can give large speedups.
This commit is contained in:
Robert O'Callahan 2025-07-26 02:45:21 +00:00 • committed by Jannis Harder
parent 38f8165c80
commit 27462da208
6 changed files with 362 additions and 88 deletions
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1
misc/create_vcxsrc.sh
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@ -38,6 +38,7 @@ popd
} > "$vcxsrc"/YosysVS/YosysVS.vcxproj.new
sed -i 's,</AdditionalIncludeDirectories>,</AdditionalIncludeDirectories>\n <LanguageStandard>stdcpp17</LanguageStandard>\n <AdditionalOptions>/Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>,g' "$vcxsrc"/YosysVS/YosysVS.vcxproj.new
sed -i 's,<PreprocessorDefinitions>,<PreprocessorDefinitions>YOSYS_ENABLE_THREADS;,g' "$vcxsrc"/YosysVS/YosysVS.vcxproj.new
if [ -f "/usr/include/FlexLexer.h" ] ; then
sed -i 's,</AdditionalIncludeDirectories>,;..\\yosys\\libs\\flex</AdditionalIncludeDirectories>,g' "$vcxsrc"/YosysVS/YosysVS.vcxproj.new
fi